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The 3978D high gain permanent mount GPS Antenna provides 40 dB gain and great high out-of-band rejection performance and is the optimum choice for GPS Tracking and Timing applications with long cable runs and stand alone GPS applications. It features a precision tuned custom ceramic patch element for maximum signal reception, 15 KV ESD circuit protection, a very low noise (0.5 dB) 3 stage LNA circuit and a SAW filter. This enables the 3978D to provide a reliable and clear GPS signal while minimizing loss-of-lock, even when conditions are less than ideal. It is available in an all-plastic, non-corrosive low-profile package for vehicle mounting.
| Technology | |
| Category | Antenna |
| Wireless | |
| Single / SISO Antennas | GPS |
| Pattern | Omnidirectional |
| Gain | 40 dB |
| Polarization | Right hand circular |
| Electrical | |
| Voltage | 2.7-5.5 VDC |
| Current | 18 mA @ 3.3 VDC (typ.) |
| Interfaces | |
| GPS | 1575.42 ± 10 MHz |
| Power | |
| ESD Protection | 15 KV |
| Mechanical | |
| Connector Type | TNC jack |
| Mounting | 3/4” thru-hole mount |
| Shock / Vibration | Vertical axis 50G, other axes 30G / 3 axis, sweep = 15 min 10 – 200 Hz log sweep: 3G |
| Color | Black |
| Noise Level | 0.5 dB (typical) |
| Material | GE Lexan EXL9330 |
| Weight | .11 lbs (50 g) |
| Dimensions | 2.36” x .83” (60 x 21 mm) |
| Ratings | |
| RoHS Compliant | Yes |
| Certifications | IP67 |
| Download Name | File Size |
| PCTEL 397XD, 817XD & 507XD Series Installation Instructions | 359.06KB |
| PCTEL 3978D Datasheet | 131.06KB |
| PCTEL 3978D Filter Shapes | 11.72KB |
